1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Pyrola

Prospect in Alaska, United States with commodities Barium-Barite, Lead, Silver, Zinc
Map
XML
JSON
KML
C
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10258411
MAS/MILS ID 0021140184
Record type Site
Current site name Pyrola
Alternate or previous names Stevenson, Min, Cyn, Bear Gossan, Kat, Ad, Red Rock Mines, Pam, Seraphim

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -134.55479, 57.96364 (WGS84)
Elevation 793
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka D-2(quadrangle 1:63,360 scale)

Sitka NE(quadrangle 1:100,000 scale)

Sitka(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Admiralty Island(hydrologic unit)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Admiralty Island National Monument(National Monument)

National Monument FS(Type of land area)

FS(Federal land areas administered by FS)

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Kootznoowoo Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 045 S 067 E 15 SWNWSW Alaska

Commodities

Commodity Importance
Barium-Barite Critical Primary
Lead Primary
Silver Primary
Zinc Critical Primary

Nearby scientific data

Ore Body (1) -134.55479, 57.96364
ListMap

Economic information

Ore body information

  • Area 35HA
    Field Value
    Type of Orebody #1 STRATIFORM
    Shape of Orebody #1 OTHER
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control IGNEOUS
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SERICITIC
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 35
    Date of Last Modification 840604

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Both
Significant No
Discovery year 1954

Mining district

District name Admiralty

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Monument

Ownership information

  • Type Owner
    Owner Ray Renshaw
    ID 5000191
    Home office Alaska
    Year 1984
  • Type Owner
    Owner Leo Mark Anthony
    ID 5000191
    Home office Alaska
    Year 1984

Comments on the ownership information

  • OWNER ADDRESS: RAY RENSHAW PO BOX 2331 JUNEAU, ALASKA 99802 LEO MARK ANTHONY 2020 LAKE OTIS PARKWAY ANCHORAGE, ALASKA 99508

Workings at the site

  • Type of workings Underground
    Length 1720M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN STOPE
    Percent Recovery 100
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Avg. Length of Adits (m) 550
    Number of Adits 1
    Capacity 250
    Capacity Units MT ORE/DAY
    Unit Production Cost 76.05
    Units of Production $/MT ORE
    Operating Days per Year 330
    Operating Shifts per Day 2
    Year of Information 1984

Reference information

Bibliographic references

Comments on the references

  • STEVENSON, 1969, 10P. (BACK-UP FILES)

Reporter information

Type Date Name Affiliation Comment
Reporter 12-FEB-1988 Ges U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.